Implications of relaxation dynamics of collapsed conjugated polymeric nanoparticles for light-harvesting applications
文献信息
Arnab Ghosh, Srijon Ghosh, Goutam Ghosh
Conjugated polymer-based nanostructures have been explored extensively from energy harvesting to healthcare applications due to their unique photophysical properties. This perspective includes the mechanism of the formation of polymer nanoparticles from linear chain polymers by utilizing experimental and theoretical studies. Conjugated polymer nanoparticles lead to changes in excitonic absorption bands, photoluminescence (PL) bands, and relaxation kinetics due to the inter-chain interactions between the chromophoric sub-units and the formation of the low-lying delocalized collective state. Here, we have illustrated the current understanding of the ultrafast relaxation dynamics of π-conjugated polymer-based nanostructured materials using global and target analysis. We have shown the impacts of the photoinduced carrier dynamics of polymer nanoparticles on the energy and charge transfer processes. Polymer nanoparticles found promising applications in bio-imaging, photothermal and photodynamic therapeutic agents, photocatalysis, and lasing materials. Finally, we have given the future perspectives of luminescent polymer nanoparticles.
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来源期刊
Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.
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